Finding Profitable New Uses for Recycled Tires A stack of burning tires does not bring forth images of clean energy. But as NPR's Allison Aubrey reports, from generating electricity to artificial turf, tire recycling has become a profitable business.

A stack of burning tires does not bring forth images of clean energy. But as NPR's Allison Aubrey reports, from generating electricity to artificial turf, tire recycling has become a profitable business.